August 8, 1296 - The Stone of Scone, which Scottish kings had been crowned on for centuries, was seized by Edward I. It was finally returned to Scotland in the 1990's.
August 8, 1503 - Margaret Tudor, eldest daughter of Henry VII, married James IV of Scotland.
August 8, 1588 - The English fleet engaged and defeated the Spanish Armada in the Battle of Gravelines. The defeat saved England from invasion.